Here's pictures of some advertisement boxes being displayed over in Japan I presume, looking at the JP text on the boxes. I really don't think the FFIII Limited Edition DS will come in a choice of 4 different packages.

So... I wonder if Squarenix will release some FFIII plushies.

Source:
• Photos by "King Zell" at the NeoGAF boards.

Related Links:
• Famitsu's Introduction to the 22 Jobs
• "Creator's Voice", The FFIII Interview
• Official FFIII Site
• Promotional Trailer
• Gameplay Video
• Limited Edition DS